CN221049076U - Vulcanizing machine integrated valve group based on nitrogen vulcanization process - Google Patents
Vulcanizing machine integrated valve group based on nitrogen vulcanization process Download PDFInfo
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- CN221049076U CN221049076U CN202323000611.XU CN202323000611U CN221049076U CN 221049076 U CN221049076 U CN 221049076U CN 202323000611 U CN202323000611 U CN 202323000611U CN 221049076 U CN221049076 U CN 221049076U
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 214
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 107
- 238000004073 vulcanization Methods 0.000 title claims abstract description 24
- 239000002775 capsule Substances 0.000 claims abstract description 163
- 238000007493 shaping process Methods 0.000 claims abstract description 127
- 238000001514 detection method Methods 0.000 claims description 27
- 230000001502 supplementing effect Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 description 10
- 238000009413 insulation Methods 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 238000005086 pumping Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000007666 vacuum forming Methods 0.000 description 1
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- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model relates to the field of tire processing, and particularly discloses a vulcanizing machine integrated valve group based on a nitrogen vulcanization process. The vulcanizing machine integrated valve group comprises a capsule air inlet module and a capsule air outlet module, wherein the capsule air inlet module comprises a capsule air inlet valve block, and the capsule air outlet module comprises a capsule air outlet valve block; the capsule air inlet valve block is provided with a shaping air inlet hole, a steam inlet hole, a nitrogen inlet hole, a capsule air inlet hole, a shaping air inlet control hole, a steam inlet control hole and a nitrogen inlet control hole, and a first air distribution channel is arranged in the capsule air inlet valve block; the capsule air outlet valve block is provided with a shaping air outlet hole, a steam outlet hole, a nitrogen outlet hole, a vacuumizing hole, a capsule air outlet hole, a shaping air outlet control hole, a steam outlet control hole, a nitrogen outlet control hole and a vacuumizing control hole, and a second air distribution channel is arranged in the capsule air outlet valve block. The integrated valve group of the vulcanizing machine integrates a pipeline and a valve in a valve block mode, so that the structure is simplified, leakage points are reduced, and the operation stability is improved.
Description
Technical Field
The utility model relates to the field of tire processing, in particular to a vulcanizing machine integrated valve group based on a nitrogen vulcanization process.
Background
The tire vulcanization refers to the vulcanization processing of the outer tire, namely, the mold pressurization is adopted, and the vulcanization plasticity of the outer tire is matched with the simultaneous heating mode, so that the rubber material can flow and transfer heat fully, and the molding effect is good.
The core equipment for tire vulcanization processing in the vulcanizing machine comprises a capsule and an outer mold, wherein the capsule has certain deformability, and the outer mold is made of rigid materials. When the tire vulcanizing machine works, the tire is sleeved on the capsule, the outer mold is coated on the outer side of the tire, the capsule and the inner part of the outer mold are heated simultaneously, the inner part of the capsule is pressurized and expanded, and the vulcanization molding of the tire is completed under the combined action of external heating and pressurization.
The thermal pipeline and the valve group are key components for controlling the working of the vulcanizing machine, and the working steps of the vulcanizing machine are controlled through controlling the on-off and flow direction adjustment of various mediums, so that the problems of large occupied area, difficult maintenance and the like exist due to the fact that the types of mediums used in the tire vulcanizing process are multiple, the pipeline layout is complex, the types and the types of valves are multiple.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a vulcanizing machine integrated valve group based on a nitrogen vulcanizing process, which integrates part of pipelines and control valves in a valve block mode, simplifies the equipment structure, reduces leakage points and improves the operation stability.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the integrated valve group of the vulcanizing machine based on the nitrogen vulcanization process comprises a capsule air inlet module and a capsule air outlet module, wherein the capsule air inlet module comprises a capsule air inlet valve block, and the capsule air outlet module comprises a capsule air outlet valve block;
The capsule air inlet valve block is provided with a shaping air inlet hole, a steam inlet hole, a nitrogen inlet hole, a capsule air inlet hole, a shaping air inlet control hole, a steam inlet control hole and a nitrogen inlet control hole, and a first air distribution channel is arranged in the capsule air inlet valve block;
The shaping air inlet control hole is communicated with the shaping air inlet hole and the first air distribution channel, and is provided with a shaping air inlet control valve; the steam inlet control hole is communicated with the steam inlet hole and the first air distribution channel, and is provided with a steam inlet control valve; the nitrogen inlet control hole is communicated with the nitrogen inlet hole and the first air distribution channel, and is provided with a nitrogen inlet control valve; the first air distribution channel is communicated with the capsule air inlet;
The capsule air outlet valve block is provided with a shaping air outlet hole, a steam outlet hole, a nitrogen outlet hole, a vacuumizing hole, a capsule air outlet hole, a shaping air outlet control hole, a steam outlet control hole, a nitrogen outlet control hole and a vacuumizing control hole, and a second air distribution channel is arranged in the capsule air outlet valve block;
The shaping exhaust control hole is communicated with the shaping exhaust hole and the second air distribution channel, and is provided with a shaping exhaust control valve; the steam exhaust control hole is communicated with the steam exhaust hole and the second air distribution channel, and is provided with a steam exhaust control valve; the nitrogen discharge control hole is communicated with the nitrogen discharge air hole and the second air distribution channel, and is provided with a nitrogen discharge control valve; the vacuumizing control hole is communicated with the vacuumizing hole and the second air distribution channel at the same time, and is provided with a vacuumizing control valve; the second air distribution channel is communicated with the capsule exhaust hole.
The shaping air inlet is connected with an external low-pressure nitrogen source and is used for supporting and positioning the tire in the process of closing the tire mounting and the outer mold. The steam inlet is connected with an external steam source for heating the bladder and the tire. The nitrogen inlet hole is connected with an external high-pressure nitrogen source and is used for pressurizing the capsule and the tire. The vacuumizing hole is connected with external vacuumizing equipment and is used for forming negative pressure in the capsule to force the capsule to shrink and deform, so that the tire is conveniently loaded.
The capsule air inlet valve block is integrated with a shaping air inlet hole, a steam inlet hole, a nitrogen inlet hole, a capsule air inlet hole, a shaping air inlet control hole, a steam inlet control hole and a nitrogen inlet control hole, a first air distribution channel is integrated inside, and the mounting and supporting functions of the shaping air inlet control valve, the steam inlet control valve and the nitrogen inlet control valve are simultaneously borne. The capsule air outlet valve block is integrated with a shaping air outlet hole, a steam outlet hole, a nitrogen outlet hole, a vacuumizing hole, a capsule air outlet hole, a shaping air outlet control hole, a steam outlet control hole, a nitrogen outlet control hole and a vacuumizing control hole, and a second air distribution channel is integrated inside the capsule air outlet valve block and is used for bearing the mounting and supporting functions of the shaping air outlet control valve, the steam outlet control valve, the nitrogen outlet control valve and the vacuumizing control valve.
The valve block is used for integrating part of pipelines and control valves, so that the structure of the equipment can be greatly simplified, and the occupied area is reduced. Meanwhile, the welding mode is replaced by the machining mode, so that the welding point can be reduced, the possibility of leakage is reduced, and the operation stability is improved.
Preferably, the device further comprises an insulation box, wherein the capsule air inlet module and the capsule air outlet module are both positioned in the insulation box, and insulation materials are filled in the insulation box; the heat preservation box is also internally provided with a temperature detection unit.
The insulation can play fine heat preservation effect to capsule air inlet module and capsule module of giving vent to anger, reduces the energy loss. In addition, if the capsule air inlet module and the capsule air outlet module are leaked, the insulation box can enrich leaked substances and embody in a temperature change mode, the temperature detection unit is used for detecting the temperature in the insulation box, and when the temperature in the insulation box is higher than a preset value, the leakage of the valve block is indicated, and the system is stopped for maintenance.
Preferably, the shaping air inlet control valve, the steam inlet control valve, the nitrogen inlet control valve, the shaping air outlet control valve, the steam outlet control valve, the nitrogen outlet control valve and the vacuumizing control valve are rod-type control valves, the rod-type control valves comprise a driving part and a valve rod, and the free end of the valve rod is connected with a plug; the driving part is in threaded connection with the corresponding valve block, the valve rod extends into the corresponding control hole, and the plug is arranged in the corresponding control hole in a sliding manner.
The rod-type control valve is connected with the corresponding valve block in a threaded connection mode, and is simple in structure and reliable in control.
Preferably, the first air distribution channel comprises a shaping air inlet branch, a shaping air inlet branch and a capsule air inlet branch, wherein the capsule air inlet branch is communicated with the capsule air inlet hole, the shaping air inlet branch is communicated with the shaping air inlet hole, and the shaping air inlet branch is respectively communicated with the steam inlet hole and the nitrogen inlet hole; the capsule air inlet valve block is provided with an air inlet switching control hole which is respectively communicated with the shaping air inlet branch, the shaping air inlet branch and the capsule air inlet branch; the air inlet switching control hole is connected with an air inlet switching control valve, and the air inlet switching control valve controls the capsule air inlet branch to be communicated with one of the shaping air inlet branch and the shaping air inlet branch.
Because the difference between the shaped nitrogen pressure and the shaped nitrogen pressure is large, if the control of the shaped air inlet control valve and the air inlet control valve is wrong, the capsule can be damaged or the shaping effect can not be achieved. Therefore, the shaping air inlet branch and the shaping air inlet branch are arranged in the first air distribution channel separately, and the air inlet switching control valve is used for controlling one of the operations, so that the reliability of the working flow is further ensured, and the capsule is protected.
Preferably, the second air distribution channel comprises a shaping exhaust branch, a shaping exhaust branch and a capsule exhaust branch, wherein the capsule exhaust branch is communicated with the capsule exhaust hole, the shaping exhaust branch is communicated with the shaping exhaust hole, and the shaping exhaust branch is respectively communicated with the steam exhaust hole, the nitrogen exhaust hole and the vacuumizing hole; the capsule air outlet valve block is provided with an air outlet switching control hole which is respectively communicated with the shaping air outlet branch, the shaping air outlet branch and the capsule air outlet branch; the air outlet switching control hole is connected with an air outlet switching control valve, and the air outlet switching control valve controls the capsule exhaust branch to be communicated with one of the shaping exhaust branch and the forming exhaust branch.
Preferably, the capsule air outlet valve block is also provided with a main air outlet hole and a main air outlet control hole, and the main air outlet control hole is communicated with the main air outlet hole and the second air distribution channel at the same time; the main exhaust control hole is connected with a main exhaust control valve.
Preferably, the capsule air outlet valve block is also provided with a detection hole and a detection control hole, and the detection control hole is communicated with the detection hole and the second air distribution channel at the same time; the detection control hole is connected with a detection control valve, and the detection control valve controls the on-off between the detection hole and the second air distribution channel.
During the exhaust process, the capsule air pressure is monitored, and a basis is provided for the exhaust degree evaluation.
Preferably, the device also comprises an outer die control module, wherein the outer die control module comprises an outer die valve inlet module and an outer die valve outlet module; the outer die inlet valve block is provided with a die plate inlet channel and a die sleeve inlet channel, the die plate inlet channel is provided with a die plate inlet control valve, and the die sleeve inlet channel is provided with a die sleeve inlet control valve; the outer die valve outlet block is provided with a die plate exhaust channel and a die sleeve exhaust channel, the die plate exhaust channel is provided with a die plate exhaust control valve, and the die sleeve exhaust channel is provided with a die sleeve exhaust control valve; the outer die valve block is internally provided with a first communication channel which is communicated with the die plate air inlet channel and the die sleeve air inlet channel, and the outer die valve block is internally provided with a second communication channel which is communicated with the die plate air outlet channel and the die sleeve air outlet channel.
The template air inlet channel and the die sleeve air inlet channel are respectively communicated with an external steam source and used for heating the template and the die sleeve, and the first communication channel and the second communication channel can be respectively connected with the die sleeve and the template in series at the air inlet end and the air outlet end, so that the synchronism of the die sleeve and the template heating is improved.
Preferably, the device also comprises an outer mold vacuumizing module, wherein the outer mold vacuumizing module comprises a vacuumizing valve block, and an outer mold vacuumizing air inlet hole, an outer mold vacuumizing air outlet hole, an air supplementing hole, an outer mold vacuumizing control hole and an air supplementing control hole are formed in the vacuumizing valve block; a third air distribution channel is arranged in the vacuumizing valve block, and the vacuumizing air outlet hole of the outer mold is communicated with the third air distribution channel; the outer mold vacuumizing control hole is simultaneously communicated with the outer mold vacuumizing air inlet and the third air distribution channel, and is connected with a vacuumizing control valve; the air supplementing control hole is simultaneously communicated with the air supplementing hole and the third air distribution channel, and the air supplementing control hole is connected with an air supplementing control valve.
The vacuumizing air outlet hole is connected with external vacuumizing equipment and used for vacuumizing the templates and the die sleeves, the air supplementing holes are directly communicated with the external environment, and air supplementing can be carried out in the die sleeves and the templates in the vacuumizing process, so that the situation that the pressure inside the die sleeves and the templates is too low is avoided.
Drawings
Fig. 1 is a schematic structural diagram of an integrated valve block of a vulcanizing machine based on a nitrogen vulcanization process in the embodiment;
Fig. 2 is a schematic structural diagram of another view angle of the integrated valve block of the vulcanizing machine based on the nitrogen vulcanization process in this embodiment;
FIG. 3 is a flow chart of a vulcanizer integrated valve group vulcanizer system employing the present embodiment based on a nitrogen vulcanization process;
FIG. 4 is a flow chart of an outer mold vacuumizing module in the integrated valve group of the vulcanizing machine based on the nitrogen vulcanization process;
Fig. 5 is a schematic structural diagram of the cooperation of the capsule air inlet module and the capsule air outlet module in the vulcanizing machine integrated valve group based on the nitrogen vulcanization process in this embodiment;
fig. 6 is a schematic structural diagram of a capsule air inlet valve block in the integrated valve group of the vulcanizing machine based on the nitrogen vulcanization process in the embodiment;
Fig. 7 is a schematic structural diagram of another view angle of a capsule air inlet valve block in the integrated valve block of the vulcanizing machine based on the nitrogen vulcanization process in this embodiment;
FIG. 8 is a front view of a bladder air inlet valve block in the integrated valve block of the vulcanizing machine based on the nitrogen vulcanization process of the embodiment;
FIG. 9 is an enlarged view of a portion of FIG. 8 at A;
FIG. 10 is a partial enlarged view at B in FIG. 8;
FIG. 11 is a top view of a bladder air inlet valve block in the integrated valve block of the curing press based on the nitrogen curing process of the present embodiment;
FIG. 12 is an enlarged view of a portion of FIG. 11 at C;
FIG. 13 is an enlarged view of a portion of FIG. 11 at D;
FIG. 14 is an enlarged view of a portion of FIG. 11 at E;
FIG. 15 is an enlarged view of a portion of FIG. 11 at F;
fig. 16 is a schematic structural diagram of a capsule air outlet valve block in the integrated valve block of the vulcanizing machine based on the nitrogen vulcanization process in this embodiment;
Fig. 17 is a schematic structural diagram of another view angle of a capsule air outlet valve block in the integrated valve block of the vulcanizing machine based on the nitrogen vulcanization process in this embodiment;
fig. 18 is a top view of a capsule air outlet valve block in the integrated valve block of the vulcanizing machine based on the nitrogen vulcanization process in this embodiment;
Fig. 19 is a partial enlarged view at G in fig. 18;
FIG. 20 is an enlarged view of a portion of H in FIG. 18;
FIG. 21 is an enlarged view of a portion of the portion I of FIG. 18;
fig. 22 is a partial enlarged view at J in fig. 18.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Examples
As shown in fig. 1-5, the integrated valve group of the vulcanizing machine based on the nitrogen vulcanization process comprises a capsule air inlet module 1 and a capsule air outlet module 2, wherein the capsule air inlet module 1 comprises a capsule air inlet valve block 11, and the capsule air outlet module 2 comprises a capsule air outlet valve block 12.
As shown in fig. 6-15, the top surface of the capsule air inlet valve block 11 is an air inlet control surface, and the side surface comprises an air inlet connecting surface and an air inlet converging surface; the air inlet connecting surface is provided with a shaping air inlet hole 118, a steam inlet hole 116 and a nitrogen inlet hole 117, the air inlet converging surface is provided with a capsule air inlet hole 119, the air inlet control surface is provided with a shaping air inlet control hole 110, a steam inlet control hole 113 and a nitrogen inlet control hole 112, and the capsule air inlet valve block 11 is internally provided with a first air distribution channel.
As shown in fig. 6-15, the shaped air inlet control hole 110 is communicated with the shaped air inlet hole 118 and the first air distribution channel, and the shaped air inlet control hole 110 is provided with a shaped air inlet control valve. The steam inlet control hole 113 is communicated with the steam inlet hole 116 and the first air distribution channel, and the steam inlet control hole 113 is provided with a steam inlet control valve for controlling the on-off between the steam inlet hole 116 and the first air distribution channel. The nitrogen inlet control hole 112 is communicated with the nitrogen inlet hole 117 and the first gas distribution channel, and the nitrogen inlet control hole 112 is provided with a nitrogen inlet control valve and a throttling unit for controlling the on-off state between the nitrogen inlet hole 117 and the first gas distribution channel and controlling the flow rate of nitrogen entering the first gas distribution channel. The first air distribution channel is communicated with the capsule air inlet 119.
As shown in fig. 6-15, the first air distribution channel includes a shaping air inlet branch 120, a shaping air inlet branch 121 and a capsule air inlet branch 122, wherein the capsule air inlet branch 122 is communicated with the capsule air inlet 119, the shaping air inlet branch 120 is communicated with the shaping air inlet 118, and the shaping air inlet branch 121 is respectively communicated with the steam inlet air hole and the nitrogen inlet air hole 117. The air inlet control surface is provided with an air inlet switching control hole 111, and the air inlet switching control hole 111 is respectively connected with a shaping air inlet branch 120, a shaping air inlet branch 121 and a capsule air inlet branch 122. The air inlet switching control hole 111 is connected with an air inlet switching control valve, and the air inlet switching control valve controls the capsule air inlet branch 122 to be communicated with one of the shaping air inlet branch 120 and the shaping air inlet branch 121.
As shown in fig. 6 to 15, specifically, in the axial direction along the air inlet switching control hole 111, the capsule air inlet branch 122 is located between the shaping air inlet branch 120 and the shaping air inlet branch 121, and the air inlet switching control valve is a two-position three-way valve, so that the channel between the capsule air inlet branch 122 and the shaping air inlet branch 120 can be selectively closed, or the channel between the capsule air inlet branch 122 and the shaping air inlet branch 121 can be closed.
As shown in fig. 6 to 15, since the difference between the shaped nitrogen pressure and the shaped nitrogen pressure is large, if the shaped air inlet control valve and the air inlet control valve are controlled by mistake, the capsule may be damaged or the shaping effect may not be achieved. Therefore, the shaping air inlet branch 120 and the shaping air inlet branch 121 are arranged in the first air distribution channel separately, and one of the air inlet switching control valves is used for controlling the operation, so that the reliability of the working flow is further ensured, and the capsule is protected.
As shown in fig. 16-22, the top surface of the capsule air outlet valve block 12 is an air outlet control surface, and the side surfaces include an air outlet connection surface and an air outlet flow-out surface. The gas outlet connecting surface is provided with a shaping exhaust hole 214, a steam exhaust hole 215, a nitrogen exhaust hole 220, a main exhaust hole 217 and a vacuumizing hole 219, the gas outlet converging surface is provided with a capsule exhaust hole 221 and a detection hole 222, the gas outlet control surface is provided with a shaping exhaust control hole, a steam exhaust control hole 216, a nitrogen exhaust control hole 210, a main exhaust control hole 218, a detection control hole 212 and a vacuumizing control hole 211, and the capsule gas outlet valve block 12 is internally provided with a second gas distribution channel.
As shown in fig. 16-22, the shaping exhaust control hole is communicated with the shaping exhaust hole 214 and the second air distribution channel, and is provided with a shaping exhaust control valve and a throttling unit for controlling the channel between the shaping exhaust hole 214 and the second air distribution channel and controlling the exhaust speed of shaping nitrogen. The steam discharging control hole 216 is communicated with the steam discharging hole 215 and the second air distribution channel, and the steam discharging control hole 216 is provided with a steam discharging control valve and a throttling unit for controlling the on-off state between the steam discharging hole 215 and the second air distribution channel and controlling the discharging speed of nitrogen. The nitrogen discharge control hole 210 is communicated with the nitrogen discharge hole 220 and the second air distribution channel, and the nitrogen discharge control hole 210 is provided with a nitrogen discharge control valve and a throttling unit for controlling the on-off state between the nitrogen discharge hole 220 and the second air distribution channel and controlling the nitrogen discharge speed. The vacuumizing control hole 211 is simultaneously communicated with the vacuumizing hole 219 and the second air distribution channel, and the vacuumizing control hole 211 is provided with a vacuumizing control valve for controlling the on-off between the vacuumizing hole 219 and the second air distribution channel. The second air distribution channel is communicated with the capsule air outlet 221. The main exhaust control hole 218 is communicated with the main exhaust hole 217 and the second air distribution channel at the same time; the main exhaust control hole 218 is connected with a main exhaust control valve and is used for controlling the on-off between the main exhaust hole 217 and the second air distribution channel. The detection control hole 212 is communicated with the detection hole 222 and the second air distribution channel at the same time; the detection control hole 212 is connected with a detection control valve, and the detection control valve controls the on-off between the detection hole 222 and the second air distribution channel. During the exhaust process, the capsule air pressure is monitored, and a basis is provided for the exhaust degree evaluation.
In order to improve the vacuumizing efficiency, the capsule air inlet valve block 11 is also provided with an auxiliary vacuumizing hole 115 and an auxiliary vacuumizing control hole 114, the auxiliary vacuumizing control hole 114 is simultaneously communicated with the auxiliary vacuumizing hole 115 and the first air distribution channel, and the auxiliary vacuumizing control hole 114 is provided with an auxiliary vacuumizing control valve for controlling the on-off between the auxiliary vacuumizing hole 115 and the first air distribution channel.
As shown in fig. 16-22, the second air distribution channel includes a shaping exhaust branch 224, a shaping exhaust branch 225 and a capsule exhaust branch 223, wherein the capsule exhaust branch 223 is communicated with the capsule exhaust hole 221, the shaping exhaust branch 224 is communicated with the shaping exhaust hole 214, and the shaping exhaust branch 225 is respectively communicated with the steam exhaust hole 215, the nitrogen exhaust hole 220 and the vacuum pumping hole 219. The air outlet control surface is provided with an air outlet switching control hole 213, and the air outlet switching control hole 213 is respectively connected with a shaping air outlet branch 224, a shaping air outlet branch 225 and a capsule air outlet branch 223. The air outlet switching control hole 213 is connected with an air outlet switching control valve, and the air outlet switching control valve controls the capsule air outlet branch 223 to be communicated with one of the shaping air outlet branch 224 and the shaping air outlet branch 225.
As shown in fig. 16 to 22, specifically, in the axial direction along the air outlet switching control hole 213, the capsule air outlet branch 223 is located between the shaping air outlet branch 224 and the shaping air outlet branch 225, and the air outlet switching valve is a two-position three-way valve, so that the channel between the capsule air outlet branch 223 and the shaping air outlet branch 224 can be selectively closed, or the channel between the capsule air outlet branch 223 and the shaping air outlet branch 225 can be closed.
The shaped air intake aperture 118 is connected to an external low pressure nitrogen source for supporting and positioning the tire during tire installation and over mold closure. The steam inlet 116 is connected to an external steam source for heating the bladder and tire. The nitrogen inlet port 117 is connected to an external high pressure nitrogen source for pressurizing the bladder and tire. The vacuum hole 219 is connected with an external vacuum device for forming negative pressure inside the capsule, forcing the capsule to shrink and deform, facilitating the loading of the tire.
As shown in fig. 1-4, the device also comprises an outer mold control module, wherein the outer mold control module comprises an outer mold inlet valve block 3 and an outer mold outlet valve block 4; the outer die inlet valve block 3 is provided with a die plate inlet channel and a die sleeve inlet channel, the die plate inlet channel is provided with a die plate inlet control valve, and the die sleeve inlet channel is provided with a die sleeve inlet control valve. The outer die valve block 4 is provided with a die plate exhaust channel and a die sleeve exhaust channel, the die plate exhaust channel is provided with a die plate exhaust control valve and a throttling unit, and the die sleeve exhaust channel is provided with a die sleeve exhaust control valve and a throttling unit. The outer die inlet valve block 3 is internally provided with a first communication channel which is communicated with a die plate air inlet channel and a die sleeve air inlet channel, and the outer die outlet valve block 4 is internally provided with a second communication channel which is communicated with a die plate air outlet channel and a die sleeve air outlet channel.
The template air inlet channel and the die sleeve air inlet channel are respectively communicated with an external steam source and used for heating the template and the die sleeve, and the first communication channel and the second communication channel can be respectively connected with the die sleeve and the template in series at the air inlet end and the air outlet end, so that the synchronism of the die sleeve and the template heating is improved.
Because steam can generate condensed water after heat release, the template exhaust channel and the die sleeve exhaust channel are connected with a condensation barrel 9, and the condensation barrel 9 is provided with a condensation outlet.
As shown in fig. 1-4, the vacuum forming device further comprises an outer mold vacuum-pumping module 8, wherein the outer mold vacuum-pumping module 8 comprises a vacuum-pumping valve block, and an outer mold vacuum-pumping air inlet hole, an outer mold vacuum-pumping air outlet hole, an air-filling hole, an outer mold vacuum-pumping control hole and an air-filling control hole are formed in the vacuum-pumping valve block. The vacuum valve block is internally provided with a third air distribution channel, and the outer mold vacuum air outlet hole is communicated with the third air distribution channel. The outer mold vacuumizing control hole is simultaneously communicated with the outer mold vacuumizing air inlet and the third air distribution channel, and is connected with an outer mold vacuumizing control valve 82. The air supplementing control hole is simultaneously communicated with the air supplementing hole and the third air distribution channel, and the air supplementing control hole is connected with an air supplementing control valve 81.
The vacuumizing air outlet hole is connected with external vacuumizing equipment and used for vacuumizing the templates and the die sleeves, the air supplementing holes are directly communicated with the external environment, and air supplementing can be carried out in the die sleeves and the templates in the vacuumizing process, so that the situation that the pressure inside the die sleeves and the templates is too low is avoided.
The capsule air inlet valve block 11 is integrated with a shaping air inlet hole 118, a steam inlet hole 116, a nitrogen inlet hole 117, a capsule air inlet hole 119, a shaping air inlet control hole 110, a steam inlet control hole 113 and a nitrogen inlet control hole 112, a first air distribution channel is integrated inside, and the mounting and supporting functions of the shaping air inlet control valve, the steam inlet control valve and the nitrogen inlet control valve are simultaneously born. The capsule air outlet valve block 12 is integrated with a shaping air outlet 214, a steam outlet 215, a nitrogen outlet 220, a vacuumizing hole 219, a capsule air outlet 221, a shaping air outlet control hole, a steam outlet control hole 216, a nitrogen outlet control hole 210 and a vacuumizing control hole 211, and is internally integrated with a second air distribution channel, and meanwhile, the capsule air outlet valve block is provided with mounting and supporting functions of the shaping air outlet control valve, the steam outlet control valve, the nitrogen outlet control valve and the vacuumizing control valve. The outer die inlet valve block 3 integrates a die plate inlet channel, a die sleeve inlet channel and a first communication channel, and simultaneously bears the mounting and supporting functions of the die plate inlet control valve and the die sleeve inlet control valve. The outer die valve block 4 is integrated with a die plate exhaust channel, a die sleeve exhaust channel and a second communication channel, and simultaneously bears the mounting and supporting functions of the die plate exhaust control valve and the die sleeve exhaust control valve.
The valve block is used for integrating part of pipelines and control valves, so that the structure of the equipment can be greatly simplified, and the occupied area is reduced. Meanwhile, the welding mode is replaced by the machining mode, so that the welding point can be reduced, the possibility of leakage is reduced, and the operation stability is improved.
As shown in fig. 5, the capsule air inlet module 1 and the capsule air outlet module 2 are both positioned in the heat preservation box 13, and the heat preservation box 13 is filled with heat preservation materials. The heat preservation box 13 is also internally provided with a temperature detection unit 14.
The heat preservation box 13 can play a good heat preservation role on the capsule air inlet module 1 and the capsule air outlet module 2, and reduces energy loss. In addition, if the capsule air inlet module 1 and the capsule air outlet module 2 have leakage, the insulation box 13 body can enrich leakage substances and embody in a temperature change form, the temperature detection unit 14 is used for detecting the temperature in the insulation box 13 body, and when the temperature in the insulation box 13 body is higher than a preset value, the leakage of the valve block is indicated, and the system is shut down and overhauled.
Furthermore, the shaping air inlet control valve, the steam inlet control valve, the nitrogen inlet control valve, the shaping air outlet control valve, the steam outlet control valve, the nitrogen outlet control valve and the vacuumizing control valve are rod-type control valves, the rod-type control valves comprise a driving part and a valve rod, and the free end of the valve rod is connected with a plug. The driving part is in threaded connection with the corresponding valve block, the valve rod extends into the corresponding control hole, and the plug is arranged in the corresponding control hole in a sliding manner. The rod-type control valve is connected with the corresponding valve block in a threaded connection mode, and is simple in structure and reliable in control.
As shown in fig. 1 and fig. 2, as a specific embodiment, the present application provides an example for two vulcanizing machines to work simultaneously, where the capsule air inlet module 1, the capsule air outlet module 2 and the outer mold control module are two groups, and correspond to the vulcanizing machines one by one, the outer mold vacuumizing module 8 is one group, and the two vulcanizing machines are shared.
A tire vulcanization control method adopts the vulcanizing machine integrated valve group, wherein a capsule air inlet hole 119 is connected with an inlet of a capsule, and a capsule air outlet hole 221 is connected with an outlet of the capsule; at least comprises the following steps:
S1, mounting: in the initial state, the shaping air inlet control valve, the steam inlet control valve, the nitrogen inlet control valve, the shaping exhaust control valve, the steam exhaust control valve, the nitrogen exhaust control valve, the vacuumizing control valve, the template air inlet control valve, the die sleeve exhaust control valve and the template exhaust control valve are all in a closed state; opening a vacuumizing control valve, vacuumizing the capsule 5 by external vacuumizing equipment, shrinking and deforming the capsule 5, sleeving the tire on the capsule 5, and closing the vacuumizing control valve;
S2, shaping: opening a shaping air inlet control valve, introducing nitrogen into the capsule from an external nitrogen source, maintaining the pressure and shaping, closing a die sleeve 7 and a die plate 6, closing the shaping air inlet control valve, opening a shaping air outlet control valve, slowly discharging shaping nitrogen until the preset pressure is reached in the capsule, and closing the shaping air outlet control valve;
s3, heating: opening a steam inlet control valve, introducing high-temperature steam into the capsule from an external air source, opening a template air inlet control valve and a die sleeve air inlet control valve, and introducing steam into the die sleeve and the template respectively;
When the temperature of the capsule and the tire reaches a preset temperature, closing the steam inlet control valve, opening the steam discharge control valve, discharging steam and condensed water in the capsule, and closing the steam discharge control valve;
S4, pressurizing: opening a nitrogen inlet control valve, introducing high-pressure nitrogen into the capsule from an external high-pressure nitrogen source, maintaining the pressure for a preset time, closing the nitrogen inlet control valve, opening a nitrogen discharge control valve, and slowly discharging the nitrogen in the capsule;
S5, vacuumizing: closing the die sleeve and the die plate, closing the die plate air inlet control valve and the die sleeve air inlet control valve, opening the die sleeve air outlet control valve and the die plate air outlet control valve, and discharging steam in the die sleeve and the die plate;
Simultaneously, the vacuumizing control valve is opened, the external vacuumizing equipment performs vacuumizing operation on the capsule, the capsule contracts and deforms, the processed tire is disassembled, and the vulcanizing processing operation of the single tire is completed.
In summary, the foregoing description is only of the preferred embodiments of the utility model, and is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (9)
1. Vulcanizing machine integrated valve group based on nitrogen vulcanization process, its characterized in that: the capsule air inlet module comprises a capsule air inlet valve block and a capsule air outlet module, and the capsule air outlet module comprises a capsule air outlet valve block;
The capsule air inlet valve block is provided with a shaping air inlet hole, a steam inlet hole, a nitrogen inlet hole, a capsule air inlet hole, a shaping air inlet control hole, a steam inlet control hole and a nitrogen inlet control hole, and a first air distribution channel is arranged in the capsule air inlet valve block;
The shaping air inlet control hole is communicated with the shaping air inlet hole and the first air distribution channel, and is provided with a shaping air inlet control valve; the steam inlet control hole is communicated with the steam inlet hole and the first air distribution channel, and is provided with a steam inlet control valve; the nitrogen inlet control hole is communicated with the nitrogen inlet hole and the first air distribution channel, and is provided with a nitrogen inlet control valve; the first air distribution channel is communicated with the capsule air inlet;
The capsule air outlet valve block is provided with a shaping air outlet hole, a steam outlet hole, a nitrogen outlet hole, a vacuumizing hole, a capsule air outlet hole, a shaping air outlet control hole, a steam outlet control hole, a nitrogen outlet control hole and a vacuumizing control hole, and a second air distribution channel is arranged in the capsule air outlet valve block;
The shaping exhaust control hole is communicated with the shaping exhaust hole and the second air distribution channel, and is provided with a shaping exhaust control valve; the steam exhaust control hole is communicated with the steam exhaust hole and the second air distribution channel, and is provided with a steam exhaust control valve; the nitrogen discharge control hole is communicated with the nitrogen discharge air hole and the second air distribution channel, and is provided with a nitrogen discharge control valve; the vacuumizing control hole is communicated with the vacuumizing hole and the second air distribution channel at the same time, and is provided with a vacuumizing control valve; the second air distribution channel is communicated with the capsule exhaust hole.
2. The vulcanizer integrated valve manifold of claim 1, wherein: the capsule air inlet module and the capsule air outlet module are both positioned in the heat preservation box, and heat preservation materials are filled in the heat preservation box; the heat preservation box is also internally provided with a temperature detection unit.
3. The vulcanizer integrated valve manifold of claim 1, wherein: the shaping air inlet control valve, the steam inlet control valve, the nitrogen inlet control valve, the shaping exhaust control valve, the steam exhaust control valve, the nitrogen exhaust control valve and the vacuumizing control valve are rod type control valves, the rod type control valves comprise a driving part and a valve rod, and the free end of the valve rod is connected with a plug; the driving part is in threaded connection with the corresponding valve block, the valve rod extends into the corresponding control hole, and the plug is arranged in the corresponding control hole in a sliding manner.
4. The vulcanizer integrated valve manifold of claim 1, wherein: the first air distribution channel comprises a shaping air inlet branch, a shaping air inlet branch and a capsule air inlet branch, wherein the capsule air inlet branch is communicated with the capsule air inlet hole, the shaping air inlet branch is communicated with the shaping air inlet hole, and the shaping air inlet branch is respectively communicated with the steam inlet hole and the nitrogen inlet hole; the capsule air inlet valve block is provided with an air inlet switching control hole which is respectively communicated with the shaping air inlet branch, the shaping air inlet branch and the capsule air inlet branch; the air inlet switching control hole is connected with an air inlet switching control valve, and the air inlet switching control valve controls the capsule air inlet branch to be communicated with one of the shaping air inlet branch and the shaping air inlet branch.
5. The vulcanizer integrated valve manifold of claim 1, wherein: the second air distribution channel comprises a shaping exhaust branch, a shaping exhaust branch and a capsule exhaust branch, wherein the capsule exhaust branch is communicated with a capsule exhaust hole, the shaping exhaust branch is communicated with the shaping exhaust hole, and the shaping exhaust branch is respectively communicated with a steam exhaust hole, a nitrogen exhaust hole and a vacuumizing hole; the capsule air outlet valve block is provided with an air outlet switching control hole which is respectively communicated with the shaping air outlet branch, the shaping air outlet branch and the capsule air outlet branch; the air outlet switching control hole is connected with an air outlet switching control valve, and the air outlet switching control valve controls the capsule exhaust branch to be communicated with one of the shaping exhaust branch and the forming exhaust branch.
6. The vulcanizer integrated valve manifold of claim 1, wherein: the capsule air outlet valve block is also provided with a main air outlet hole and a main air outlet control hole, and the main air outlet control hole is simultaneously communicated with the main air outlet hole and the second air distribution channel; the main exhaust control hole is connected with a main exhaust control valve.
7. The vulcanizer integrated valve manifold of claim 1, wherein: the capsule air inlet valve block is also provided with a detection hole and a detection control hole, and the detection control hole is communicated with the detection hole and the second air distribution channel at the same time; the detection control hole is connected with a detection control valve.
8. The vulcanizer integrated valve manifold of claim 1, wherein: the outer die control module comprises an outer die valve inlet block and an outer die valve outlet block; the outer die inlet valve block is provided with a die plate inlet channel and a die sleeve inlet channel, the die plate inlet channel is provided with a die plate inlet control valve, and the die sleeve inlet channel is provided with a die sleeve inlet control valve; the outer die valve outlet block is provided with a die plate exhaust channel and a die sleeve exhaust channel, the die plate exhaust channel is provided with a die plate exhaust control valve, and the die sleeve exhaust channel is provided with a die sleeve exhaust control valve; the outer die valve block is internally provided with a first communication channel which is communicated with the die plate air inlet channel and the die sleeve air inlet channel, and the outer die valve block is internally provided with a second communication channel which is communicated with the die plate air outlet channel and the die sleeve air outlet channel.
9. The vulcanizer integrated valve manifold of any one of claims 1-8, wherein: the external mold vacuumizing device comprises an external mold vacuumizing module, a vacuum pump and a vacuum pump, wherein the external mold vacuumizing module comprises a vacuumizing valve block, and an external mold vacuumizing air inlet hole, an external mold vacuumizing air outlet hole, an air supplementing hole, an external mold vacuumizing control hole and an air supplementing control hole are formed in the vacuumizing valve block; a third air distribution channel is arranged in the vacuumizing valve block, and the vacuumizing air outlet hole of the outer mold is communicated with the third air distribution channel; the outer mold vacuumizing control hole is simultaneously communicated with the outer mold vacuumizing air inlet and the third air distribution channel, and is connected with a vacuumizing control valve; the air supplementing control hole is simultaneously communicated with the air supplementing hole and the third air distribution channel, and the air supplementing control hole is connected with an air supplementing control valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323000611.XU CN221049076U (en) | 2023-11-07 | 2023-11-07 | Vulcanizing machine integrated valve group based on nitrogen vulcanization process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323000611.XU CN221049076U (en) | 2023-11-07 | 2023-11-07 | Vulcanizing machine integrated valve group based on nitrogen vulcanization process |
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| CN221049076U true CN221049076U (en) | 2024-05-31 |
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| CN202323000611.XU Active CN221049076U (en) | 2023-11-07 | 2023-11-07 | Vulcanizing machine integrated valve group based on nitrogen vulcanization process |
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- 2023-11-07 CN CN202323000611.XU patent/CN221049076U/en active Active
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